Step-by-step explanation:
You can us calculatorsoup online to find answers.
Answer:
charles
Step-by-step explanation:
The vertex of the graph is at (-2, 3).
This means the equation is of the form
.
Substituting in the coordinates of one of the other points on the graph that is not the vertex, such as (-1, -1),

So, the equation is 
It about 86.0661
Can't show you step by step